JP4254151B2 - 光ピックアップ装置及び光ディスク装置 - Google Patents

光ピックアップ装置及び光ディスク装置 Download PDF

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Publication number
JP4254151B2
JP4254151B2 JP2002223989A JP2002223989A JP4254151B2 JP 4254151 B2 JP4254151 B2 JP 4254151B2 JP 2002223989 A JP2002223989 A JP 2002223989A JP 2002223989 A JP2002223989 A JP 2002223989A JP 4254151 B2 JP4254151 B2 JP 4254151B2
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Japan
Prior art keywords
light
optical
return
emitted
optical disk
Prior art date
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Expired - Fee Related
Application number
JP2002223989A
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English (en)
Japanese (ja)
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JP2003223736A5 (enExample
JP2003223736A (ja
Inventor
宣雄 深澤
潤一 鈴木
清 豊田
徹 田中
毅 久保
政宏 齊藤
聡 石井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2002223989A priority Critical patent/JP4254151B2/ja
Priority to TW91133817A priority patent/TWI227884B/zh
Publication of JP2003223736A publication Critical patent/JP2003223736A/ja
Publication of JP2003223736A5 publication Critical patent/JP2003223736A5/ja
Application granted granted Critical
Publication of JP4254151B2 publication Critical patent/JP4254151B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Optical Head (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
JP2002223989A 2001-11-22 2002-07-31 光ピックアップ装置及び光ディスク装置 Expired - Fee Related JP4254151B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002223989A JP4254151B2 (ja) 2001-11-22 2002-07-31 光ピックアップ装置及び光ディスク装置
TW91133817A TWI227884B (en) 2001-11-22 2002-11-20 Optical pick-up apparatus, optical disc apparatus, optical apparatus and compound optical device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001358244 2001-11-22
JP2001-358244 2001-11-22
JP2002223989A JP4254151B2 (ja) 2001-11-22 2002-07-31 光ピックアップ装置及び光ディスク装置

Publications (3)

Publication Number Publication Date
JP2003223736A JP2003223736A (ja) 2003-08-08
JP2003223736A5 JP2003223736A5 (enExample) 2005-10-27
JP4254151B2 true JP4254151B2 (ja) 2009-04-15

Family

ID=27759242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002223989A Expired - Fee Related JP4254151B2 (ja) 2001-11-22 2002-07-31 光ピックアップ装置及び光ディスク装置

Country Status (2)

Country Link
JP (1) JP4254151B2 (enExample)
TW (1) TWI227884B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602007001995D1 (de) 2006-04-06 2009-10-01 Daewoo Electronics Corp Optisches Informationswiedergabegerät und optisches Informationswiedergabeverfahren damit
ITFI20130229A1 (it) * 2013-10-02 2015-04-03 Strumenti Oftalmici C S O S R L Costruzioni Apparato e metodo per la misura di aberrazioni del sistema ottico di un essere vivente
CN112932405A (zh) * 2021-03-29 2021-06-11 苏州微清医疗器械有限公司 一种分光组件及成像系统

Also Published As

Publication number Publication date
TW200306548A (en) 2003-11-16
TWI227884B (en) 2005-02-11
JP2003223736A (ja) 2003-08-08

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